Patents by Inventor Bjarki H. Hallgrimsson

Bjarki H. Hallgrimsson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Seismic shelf guard
    Patent number: 5181622
    Abstract: A shelf guard for use with bookshelves and the like includes first and second stationary support brackets and first and second linkages pivotally attached to the support bracket. The linkages and a retention bar supported thereon are pivotal to a raised position thereby permitting access to a guarded shelf and are pivotable to a lowered position for preventing items from falling from the shelf.
    Type: Grant
    Filed: May 22, 1992
    Date of Patent: January 26, 1993
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventor: Bjarki H. Hallgrimsson
  • Seismic shelf guard
    Patent number: 5119948
    Abstract: A shelf guard for use with bookshelves and the like includes first and second stationary support brackets and first and second linkages pivotally attached to the support bracket. The linkages and a retention bar supported thereon are pivotal to a raised position thereby permitting access to a guarded shelf and are pivotable to a lowered position for preventing items from falling from the shelf.
    Type: Grant
    Filed: December 13, 1990
    Date of Patent: June 9, 1992
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventor: Bjarki H. Hallgrimsson
  • Brake handle
    Patent number: D445385
    Type: Grant
    Filed: July 10, 2000
    Date of Patent: July 24, 2001
    Assignee: Random Products Trust
    Inventor: Bjarki H. Hallgrimsson
  • Cross bar
    Patent number: D449799
    Type: Grant
    Filed: July 10, 2000
    Date of Patent: October 30, 2001
    Assignee: Random Products Trust
    Inventor: Bjarki H. Hallgrimsson
  • Combined walker and wheelchair
    Patent number: D451053
    Type: Grant
    Filed: July 10, 2000
    Date of Patent: November 27, 2001
    Assignee: Random Products Trust
    Inventor: Bjarki H. Hallgrimsson
  • T-connector
    Patent number: D454295
    Type: Grant
    Filed: July 10, 2000
    Date of Patent: March 12, 2002
    Assignee: Random Products Trust
    Inventor: Bjarki H. Hallgrimsson